Search::Xapian is a Perl XS frontend to the Xapian C++ search library. It is a fairly complete wrapper: most features of the Xapian library are made available for use from Perl. Xapian is a highly adaptable toolkit that allows developers to easily add advanced indexing and search facilities to their own applications. It supports the Probabilistic Information Retrieval model as well as a rich set of boolean query operators. It's fast and scalable to hundreds of millions of documents.
Webupdate is a script which lets you register Web pages and monitor them for updates. An email alert is sent to your local account whenever an update is found. It is also possible to register a pipe of commands to filter which content on the Web page should actually trigger an alert. The script can be used with crontab to get regular notifications whenever registered Web pages are updated.
rackview is a tool for visualizing the layout of rack- mounted equipment. It can load data either from database tables or a flat file. It can be used to assist in planning and tracking hardware changes to racks in a data center, and to provide a host-oriented interface into other database tools. The core of rackview is implemented as a Perl module, which can be integrated into a variety of different tools. Sample command line and CGI scripts are included, which should be sufficient for basic needs.
WebTools is "system" of multiple modules and libraries. Along with template engine capabilities, it features session management, global variables support, cookies support, and various database interfaces. It also features a pure Perl mail client, categories management, form checking, and libraries such as a CGI-based downloading library, HTML parsers, and a library that makes PHP functions available to Perl for ease of development.
tgen generates a Web site from a collection of input files of a variety of types, using a set of registered HTML autogenerators. This allows, for example, the generation a Web site consisting of plain text pages, EtText formatted files, man or POD documentation, and/or custom formats, with a consistent and attractive look-and-feel. It is a driver program; the actual conversion work is done by a set of plugin filters or "autoformatters" (named *2hts[.*]).
The SQLB Perl module provide a simple API to interface SQL Load Balancer within Perl scripts. It allows you to interface your scripts with Oracle, MySQL, or PostgreSQL easily and efficiently. You can change your database type easily, the only changes required in your scripts being to queries with database-specific options.